There is no fresh air or sunlight to bolster their natural powers of resistance.
没有新鲜空气或温暖阳光加强它们自然的抵抗力。
Although the safety electric eye has good resistance to natural light interference, but at the time of installation to avoid strong direct sunlight direct electric eye head.
安全电眼虽然具有良好的抗自然光干扰能力，但在安装的时候也要尽量的避免强烈的太阳光直接直射电眼头。
In white and color rubber products, add white in the sunlight, insolation, no crack resistance, don't angry, stretching rate and acid and alkali resistant.
在白色和彩色橡胶制品中加入钛白粉，在日光照射下，耐日晒，不开裂、不变色，伸展率大及耐酸碱。
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